Invasion
Invasion Description
1st Record? Halibut Point State Park, Rockport (2003, MIT Sea Grant 2003)
Geographic Extent
Halibut Point State Park, Rockport (2003, MIT Sea Grant 2003)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Natural Dispersal |
Regional Impacts
| Ecological Impact | Predation | |
| Caging experiments indicate that intraguild predation by adult Hemigrapsus sanguineus has decreased recruitment of Carcinus maenas in Massachusetts Bay, but variation iun recruitment with depth and season has enabled C. amenas to persist (Baillie and Grabowski 2018). | ||